diff --git a/recipes-sysmobts/firmware/sysmobts-firmware_git.bb b/recipes-sysmobts/firmware/sysmobts-firmware_git.bb
index 1f29027..e969e3c 100644
--- a/recipes-sysmobts/firmware/sysmobts-firmware_git.bb
+++ b/recipes-sysmobts/firmware/sysmobts-firmware_git.bb
@@ -8,7 +8,7 @@ SRCREV = "aeedfeb70345685be493a7a80e38af0169013c82"
 S = "${WORKDIR}/git"
 
 PV = "1.0+git${SRCPV}"
-PR = "r2"
+PR = "r4"
 
 do_compile() {
 	:
@@ -22,4 +22,4 @@ do_install() {
 
 FILES_${PN}_sysmobts-v1 = "/lib/firmware/sysmobts-v1*"
 FILES_${PN}_sysmobts-v2 = "/lib/firmware/sysmobts-v2*"
-PACKAGE_ARCH = "all"
+PACKAGE_ARCH = "${MACHINE_ARCH}"